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Reconstructing light-based communication signals captured with a rolling shutter image capture device

  • US 9,742,493 B2
  • Filed: 09/30/2015
  • Issued: 08/22/2017
  • Est. Priority Date: 09/30/2015
  • Status: Expired due to Fees
First Claim
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1. A method for reconstructing light-based communication signals, the method comprising:

  • determining a signal length of a light-based communication signal;

    configuring a buffer to match the determined signal length;

    capturing a plurality of segments of the light-based communication signal from at least two repetitions of the light-based communication signal by adjusting a capture frequency to sequentially capture the light-based communication signal in a number of frames equal to a ratio of the determined signal length divided by a capture window length;

    identifying, upon capturing each segment of the plurality of segments of the light-based communication signal, a location of each segment within the light-based communication signal; and

    storing each captured segment of the plurality of segments at a storage location of the buffer corresponding to the location of each segment within the light-based communication signal.

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